shadcn-radix-ui

shadcn-radix-ui is a skill for Claude Code, Codex from hoangatg/ai-agent-toolkit. It costs 44 tokens per session (360 once invoked), scanned A, original, MIT.

A guide to building user-interface components with Radix UI and shadcn/ui. Radix provides accessible, unstyled building blocks, while shadcn/ui adds Tailwind CSS styles that you can copy into and change in your own codebase.

In plain words
What is it for?
Use it when building or customizing React interfaces, adding accessible controls, composing complex components, or supporting themes and dark mode.
Why use it?
It helps developers create forms, dialogs, navigation, tables, and other interface parts without starting each component from scratch or losing control of the source code.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it when building or customizing React interfaces, adding accessible controls, composing complex components, or supporting themes and dark mode.

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Install with agentmods
npx agentmods add skills/hoangatg/ai-agent-toolkit/shadcn-radix-ui
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add hoangatg/ai-agent-toolkit --skill shadcn-radix-ui
Clone the repo
git clone --depth 1 https://github.com/hoangatg/ai-agent-toolkit

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for shadcn-radix-ui

README.md
[![agentmods](https://agentmods.dev/badge/skills/hoangatg/ai-agent-toolkit/shadcn-radix-ui/github.svg)](https://agentmods.dev/skills/hoangatg/ai-agent-toolkit/shadcn-radix-ui)
Your own site
<a href="https://agentmods.dev/skills/hoangatg/ai-agent-toolkit/shadcn-radix-ui"><img src="https://agentmods.dev/badge/skills/hoangatg/ai-agent-toolkit/shadcn-radix-ui/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for shadcn-radix-ui

Your own site · 80×15
<a href="https://agentmods.dev/skills/hoangatg/ai-agent-toolkit/shadcn-radix-ui"><img src="https://agentmods.dev/badge/skills/hoangatg/ai-agent-toolkit/shadcn-radix-ui.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 44 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 360 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00044 $0.00360
Opus 5 $0.00022 $0.00180
Sonnet 5 $0.00009 $0.00072
Haiku 4.5 $0.00004 $0.00036

Measured 8d ago against content hash 421ae6c4fef0, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

shadcn-radix-ui scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.agent/skills/shadcn-radix-ui/SKILL.md · 48 lines

What it actually says

shadcn/ui & Radix UI

Beautifully designed components built on Radix UI primitives. Copy-paste, customize, own your code.

Architecture

Radix UI Primitives (unstyled, accessible)
    └── shadcn/ui (styled with Tailwind CSS)
        └── Your Components (customized)

Key Principles

  • Copy-paste, not dependency: Components live in YOUR codebase
  • Accessible by default: Built on Radix primitives (WAI-ARIA)
  • Customizable: Full control over styles and behavior
  • Composable: Combine primitives for complex UIs

Component Categories

Category Components
Layout Card, Separator, Sheet, Sidebar
Forms Input, Select, Checkbox, Radio, Switch, Slider
Feedback Alert, Toast, Progress, Skeleton
Overlay Dialog, Drawer, Popover, Tooltip, DropdownMenu
Data Table, DataTable, Calendar, Charts
Navigation Tabs, Breadcrumb, Pagination, NavigationMenu

Best Practices

Practice Why
Use cn() utility Merge Tailwind classes safely
Customize in your codebase Don't modify node_modules
Use CSS variables for theming Easy dark mode and brand colors
Compose with Radix primitives Build custom components from accessible base
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 8d ago First seen · 48 lines · 44 tokens per session scan A 421ae6c4fef0

Subscribe to this mod's changes

shadcn-radix-ui is a skill published in the GitHub repository hoangatg/ai-agent-toolkit (1 stars, last pushed 5mo ago), licensed MIT. It adds 44 tokens to every session and 360 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.